<template>
<div>

  <div style="padding: 10px 0" >
    <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>
    <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
    <el-button class="ml-5" type="warning" @click="reset">重置</el-button>
  </div>

  <div style="margin: 10px 0">
    <el-button type="primary" @click="handleAdd">新增<i class="el-icon-circle-plus-outline"></i></el-button>
    <el-popconfirm
        class="ml-5"
        confirm-button-text='确定'
        cancel-button-text='取消'
        icon="el-icon-info"
        icon-color="red"
        title="确定批量删除吗？"
        @confirm="delBatch"
    >
      <el-button type="danger" slot="reference">批量删除<i class="el-icon-remove-outline"></i></el-button>
    </el-popconfirm>
  </div>

  <el-table :data="tableData" border
            row-key="id"
            default-expand-all
            @selection-change="handleSelectionChange">
    <el-table-column
        type="selection"
        width="55" >
    </el-table-column>
    <el-table-column prop="id" label="ID" >
    </el-table-column>
    <el-table-column prop="name" label="名称">
    </el-table-column>
    <el-table-column prop="path" label="路径" >
    </el-table-column>
    <el-table-column prop="pagePath" label="页面路径" >
    </el-table-column>
    <el-table-column label="图标" class-name="fontSize18" align="center" label-class-name="fontSize12">
      <template slot-scope="scope">
        <i :class="scope.row.icon" style="font-size: 18px"></i>
      </template>
    </el-table-column>
    <el-table-column prop="description" label="描述" >
    </el-table-column>
    <el-table-column label="操作" width="300px" align="center">
      <!--eslint-disable-next-line-->
      <template slot-scope="scope">
        <el-button type="primary" @click="childrenAdd(scope.row.id)" v-if="!scope.row.pid && !scope.row.path">新增子菜单<i class="el-icon-plus"></i></el-button>
        <el-button type="success" @click="handleEdit(scope.row)">编辑<i class="el-icon-edit"></i></el-button>

        <el-popconfirm
            class="ml-5"
            confirm-button-text='确定'
            cancel-button-text='取消'
            icon="el-icon-info"
            icon-color="red"
            title="确定删除吗？"
            @confirm="handleDel(scope.row.id)"
        >
          <el-button type="danger" slot="reference">删除<i class="el-icon-remove-outline"></i></el-button>
        </el-popconfirm>
      </template>
    </el-table-column>

  </el-table>

  <div style="padding: 10px 0">
    <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="page"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
    </el-pagination>
  </div>

  <el-dialog title="菜单信息" :visible.sync="dialogFormVisible" width="25%">
    <el-form :model="form" label-width="80px" size="small">
      <el-form-item label="名称" >
        <el-input v-model="form.name" autocomplete="off" ></el-input>
      </el-form-item>
      <el-form-item label="路径" >
        <el-input v-model="form.path" autocomplete="off" ></el-input>
      </el-form-item>
      <el-form-item label="页面路径" >
        <el-input v-model="form.pagePath" autocomplete="off" ></el-input>
      </el-form-item>
      <el-form-item label="图标" >
        <el-select clearable v-model="form.icon" placeholder="请选择" style="width: 100%;">
            <el-option v-for="item in options" :key="item.name" :label="item.name" :value="item.value">
              <i :class="item.value"/>{{item.name}}
            </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="描述" >
        <el-input v-model="form.description" autocomplete="off" ></el-input>
      </el-form-item>
    </el-form>
    <div slot="footer" class="dialog-footer">
      <el-button @click="dialogFormVisible = false">取 消</el-button>
      <el-button type="primary" @click="save">确 定</el-button>
    </div>
  </el-dialog>
</div>
</template>

<script>
export default {
  name: "User",
  data(){
    return{
      tableData: [],
      total:0,
      page:1,
      pageSize:10,
      name:"",

      dialogFormVisible:false,
      form:[],
      multipleSelection: [],
      options:[],
    }
  },

  created() {
    this.load()
  },

  methods:{

    /**
     * 请求分页查询
     */
    load(){
      this.request.get("/menu",{
        params:{
          name:this.name,
        }
      }).then(res =>{
        console.log(res)
            if(res.code === '200'){
              this.tableData = res.data
            }
          })
    },

    /**
     * 搜索栏重置
     */
    reset(){
      this.name=""
      this.load()
    },

    /**
     * 分页
     * @param pageSize
     */
    handleSizeChange(pageSize){
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(page){
      this.page = page;
      this.load()
    },

    handleAdd(){
      this.dialogFormVisible = true
      this.form = {}
    },

    /**
     * 新增
     */
    save(){
      this.request.post("/menu",this.form).then(res =>{
        if(res.code === '200'){
          this.$message.success("保存成功")
          this.dialogFormVisible = false
          this.load()
        }else{
          this.$message.error("保存失败")
        }
      })
    },


    childrenAdd(id){
      this.dialogFormVisible = true
      this.form = {}
      if(id){
        this.form.pid = id
      }
    },

    /**
     * 编辑
     * @param row
     */
    handleEdit(row){
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogFormVisible = true
      this.request.get("/menu/icons").then(res => {
        this.options = res.data
      })
    },

    /**
     * 删除
     * @param id
     */
    handleDel(id){
      this.request.delete("/menu/" + id).then(res =>{
        if(res.code === '200'){
          this.$message.success("删除成功")
          this.load()
        }else{
          this.$message.error("删除失败")
        }
      })
    },

    /**
     * 批量删除
     * @param val
     */
    handleSelectionChange(val){
      console.log(val)
      this.multipleSelection = val
    },
    delBatch(){
      let ids = this.multipleSelection.map(v => v.id)
      this.request.post("/menu/del/batch",ids).then(res =>{
        if(res.code === '200'){
          this.$message.success("批量删除成功")
          this.load()
        }else{
          this.$message.error("批量删除失败")
        }
      })
    },



  }
}
</script>

<style scoped>
.el-table th{
  background-color: #eee !important;
}
.fontSize18{
  font-size: 18px;
}
.fontSize12{
  font-size: 12px;
}
</style>
